66948034 has 16 divisors (see below), whose sum is σ = 103875840. Its totient is φ = 32327280.

The previous prime is 66948031. The next prime is 66948041. The reversal of 66948034 is 43084966.

It is not an unprimeable number, because it can be changed into a prime (66948031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43197 + ... + 44719.

It is an arithmetic number, because the mean of its divisors is an integer number (6492240).

Almost surely, 2^66948034 is an apocalyptic number.

66948034 is a deficient number, since it is larger than the sum of its proper divisors (36927806).

66948034 is a wasteful number, since it uses less digits than its factorization.

66948034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 66948034 is about 8182.1778274491. The cubic root of 66948034 is about 406.0497767114.

The spelling of 66948034 in words is "sixty-six million, nine hundred forty-eight thousand, thirty-four".